Novice

Novice was a title held by Hame of the Sisters of Plenitude. (TV: New Earth) Another catkind was Novice Prin. (TV: The God Complex)

When she was disguised as a nun, it was remarked by Thomas Cromwell that River Song was no ordinary novice. (AUDIO: The Eighth Piece)

The Tenth Doctor recalled that eight year old Gallifreyans such as the Master were initiated as novices to the Time Lord Academy, made to look into the Untempered Schism. (TV: The Sound of Drums)